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SETTING / OPERATING INSTRUCTIONS

Indicator LED “ON” 

when connected to 

power source and con-

tacts are closed

Display

Reset port 

to cancel all 

prior settings

ON/AUTO/OFF

Select Key

Function Keys

.

NOTE: Timer will resume automatic operation with 

the next opposite setpoint.

To Override Automatic Operation Permanently: 

Press SELECT key to move indicator bar to the desired 

ON or OFF position.  Note: Timer will not resume 

automatic operation until indicator bar is 

repositioned above the word AUTO.

Because of our commitment to continuing research and improvements, Intermatic Incorporated reserves the right to make changes, without notice, in the specifications and material 
contained herein and shall not be responsible for any damages, direct or consequential, caused by reliance on the material presented.

INTERMATIC INCORPORATED,

 SPRING GROVE, IL 60081-9698

http://www.intermatic.com

158PB12524 

          

  

 

 

 

 

 

 

ONE YEAR LIMITED WARRANTY

 

If within the warranty period specified, this product fails due to a defect in material or workmanship, Intermatic Incorporated will repair or replace it, at its 

sole option, the unit free of charge. This warranty applies only to the original purchaser and is not transferable. This warranty does not apply to: (a) damage 

caused by accident, abuse, mishandling, dropping, acts of God, or any negligent use; (b) units which have been subject to unauthorized repair, opened, taken 

apart, or otherwise modified; (c) units not used in accordance with instructions; (d) damages exceeding the cost of the product. Some states do not allow a 

limitation of damages, so the foregoing limitation may not apply to you. This warranty gives you specific legal rights and you may have other rights that vary 

from state to state.

INTERMATIC INCORPORATED WILL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. THIS WARRANTY IS IN LIEU OF ALL OTHER EXPRESS OR 

IMPLIED WARRANTIES. ALL IMPLIED WARRANTIES, INCLUDING THE WARRANTY OF MERCHANTABILITY AND THE WARRANTY OF FITNESS FOR A PARTICULAR 

PURPOSE, ARE HEREBY MODIFIED TO EXIST ONLY AS CONTAINED IN THIS LIMITED WARRANTY, AND SHALL BE OF THE SAME DURATION AS THE WARRANTY 

PERIOD STATED ABOVE. 

This warranty service is available by either (a) returning the product to the dealer from whom the unit was purchased, or (b) mailing postage prepaid to the 

nearest authorized service center listed. Please be sure to wrap the product securely when mailing to avoid shipping damage. This warranty is made by: 

Intermatic Incorporated/After Sales Service, 7777 Winn Rd., Spring Grove, IL 60081-9698/815-675-7000  http://www/intermatic.com

Symptom 

Possible Cause(s) 

Corrective Action

Blank Display  

Discharged battery ................................Replace battery

 

Defective timer .....................................Replace timer

Timer will not respond 

Memory is full ......................................Press      to clear memory

to programming 
Timer will not function 

Timer is in the wrong  ..........................Press SELECT key and move 

as programmed 

SELECT mode 

indicator bar over to AUTO

Timer is ON at all times 

Timer is in ON mode ............................See above

 

Defective timer .....................................Replace timer

 

 

TROUBLESHOOTING

Programming Instructions

To Set or Change the Time of Day: To clear entire 

memory, press      key. Hold down the CLOCK key 

while pressing either the HOUR or MINUTE keys. 

Continue pressing until the desired number is shown. 

Then simply lift finger off the CLOCK key to set.
To Set Program (ON/OFF times): Press TIMER key 

once to enter into program mode. Display will show 

“1 ON-- --”. Press the HOUR key and then the 

MINUTE key to select the desired first ON time. Press 

TIMER key once. Display will show “1 OFF -- --”. 

Repeat previous step to select the desired first OFF 

time. Repeat the entire sequence to complete up to 

eight total ON/OFF times as desired. When program-

ming is done, press the CLOCK key then the SELECT 

key repeatedly until the indicator bar is above the word 

“AUTO”.

To Review Program: Press TIMER key repeatedly.

When done, press CLOCK key to return to the time

of day.

To Cancel/Change Part of the Program: Press

TIMER key repeatedly until the particular ON or OFF

time appears. Set new ON of OFF time. (See: To Set

Programs).

To Override the Automatic Operation one time:

Press OVR. KEY.

To Cancel/Change Part of the Program: Press

TIMER key repeatedly until the particular ON or OFF

time appears. Set new ON or OFF time. (See: To set

Programs). 

To Override the Automatic Operation one time:

Press OVR. KEY.

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